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Impletosphaeridium laxabaculum
Impletosphaeridium laxabaculum (Song Zhichen in Song Zhichen et al., 1985, p.31-32, pl.4, fig.11) Islam, 1993, p.86.
Holotype: Song Zhichen et al., 1985, pl.4, fig.11.
Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium.
Age: ?Early Pleistocene.
Holotype: Song Zhichen et al., 1985, pl.4, fig.11.
Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium.
Age: ?Early Pleistocene.